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Hidlo yn ôl (28 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 01/06/2014
pdf, 659.67 KB Added 01/06/2014
Adroddiad thematig | 01/06/2014
pdf, 609.54 KB Added 01/06/2014
Adroddiad thematig | 01/06/2014
pdf, 636.38 KB Added 01/06/2014
Adroddiad thematig | 01/05/2014
pdf, 558.46 KB Added 01/05/2014
Adroddiad thematig | 01/12/2013
pdf, 773.93 KB Added 01/12/2013
Adroddiad thematig | 01/06/2013
pdf, 758.13 KB Added 01/06/2013
Adroddiad thematig | 01/09/2011
pdf, 563.07 KB Added 01/09/2011